nix: Update emacsng (#434)

* Update emacsng

* nix: update deps

Author: GTrunSec

.github/workflows/checks.yaml

@@ -11,9 +11,9 @@ jobs:
     - uses: actions/[email protected]
       with:
         fetch-depth: 0
-    - uses: cachix/install-nix-action@v15
+    - uses: cachix/install-nix-action@v16
       with:
-        install_url: https://github.com/numtide/nix-unstable-installer/releases/download/nix-2.5pre20211026_5667822/install
+        install_url: https://github.com/numtide/nix-unstable-installer/releases/download/nix-2.8.0pre20220311_d532269/install
 
     # Configure Nix to enable flakes
     - run: echo "experimental-features = nix-command flakes" | sudo tee -a /etc/nix/nix.conf

default.nix

@@ -3,11 +3,12 @@
     let
       lock = builtins.fromJSON (builtins.readFile ./flake.lock);
     in
-    fetchTarball {
-      url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
-      sha256 = lock.nodes.flake-compat.locked.narHash;
-    }
+      fetchTarball {
+        url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+        sha256 = lock.nodes.flake-compat.locked.narHash;
+      }
   )
   {
     src = ./.;
-  }).defaultNix
+  })
+.defaultNix